<template>
  <!-- 注册页面的整体盒子 -->
  <div class="reg-container">
    <!-- 注册的盒子 -->
    <div class="reg-box">
      <!-- 标题的盒子 -->
      <div class="title-box"></div>
      <!-- 注册的表单区域 -->
      <el-form :model="regForm" :rules="regFormRules" ref="regFormRef">
      <el-form-item prop="username">
        <el-input placeholder="请输入用户名" prefix-icon="el-icon-user" v-model="regForm.username"></el-input>
      </el-form-item>
      <el-form-item prop="password">
        <el-input placeholder="请输入密码" prefix-icon="el-icon-lock" v-model="regForm.password"></el-input>
      </el-form-item>
      <el-form-item prop="repassword">
        <el-input placeholder="请确认密码" prefix-icon="el-icon-lock" v-model="regForm.repassword"></el-input>
      </el-form-item>
      <el-form-item>
        <el-button type="primary" style="width:100%" @click="regNewUser">注册</el-button>
        <el-link target="_blank" @click="$router.push('/login')">去登录</el-link>
      </el-form-item>
      </el-form>
    </div>
  </div>
</template>

<script>
export default {
  name: 'Reg',
  methods:{
    regNewUser(){
      //1.绑定事件函数
      //2.表单校验
        this.$refs.regFormRef.validate(async(valid) => {
          //valid:只有校验全部通过结果才会为true 反之为false
          if (!valid) return //校验未通过
          // console.log('ok')
          //3.发送请求,实现注册
          const {data:res} = await this.$http.post('/api/reg',this.regForm)
          // console.log(res);
          //3.1请求失败，提示用户
          if (res.code !== 0)return this.$message.error(res.message)
          //3.1请求成功, 提示用户
          // console.log(res.message)
          this.$message.success(res.message)
          //4.跳转到登录页
          this.$router.push('/login')
        });
    }
  },
  data(){
    //判断密码是否一致
    var samePwd = (rule,value, callback) => {
        if (value === '') {
          callback(new Error('请再次输入密码'));
        } else if (value !== this.regForm.password) {
          callback(new Error('两次输入密码不一致!'));
        } else {
          callback()
        }
      }
    return{
      //保存表单里所有的数据
      regForm:{
        username:'',
        password:'',
        repassword:''
      },
      //存储验证规则的对象
      regFormRules:{
        username:[
          { required: true, message: '请输入用户名', trigger: 'blur' },
          { pattern: /^[a-zA-Z][a-zA-Z0-9]{0,9}$/, message: '必须是长度1-10的字母数字', trigger: 'blur' },
        ],
        password:[
          { required: true, message: '请输入密码', trigger: 'blur' },
          { pattern: /^\S{6,15}$/, message: '密码长度必须是6-15位', trigger: 'blur' },
        ],
        repassword:[
          { pattern: /^\S{6,15}$/, message: '密码长度必须是6-15位', trigger: 'blur' },
          { validator: samePwd, trigger: 'blur' }
        ]
      }
    }
  }
}

</script>

<style lang="less" scoped>
.reg-container {
  background: url('../../assets/images/login_bg.jpg') center;
  background-size: cover;
  height: 100%;

  .reg-box {
    width: 400px;
    height: 335px;
    background-color: #fff;
    border-radius: 3px;
    position: absolute;
    left: 50%;
    top: 50%;
    transform: translate(-50%, -50%);

    .title-box {
      height: 60px;
      background: url('../../assets/images/login_title.png') center no-repeat;
    }
    .el-form{
      padding: 0 25px;
    }
  }
}
</style>

